Take only as recommended - see Overdose warning. Use dose cup or tablespoon (TBSP). Do not exceed 5 doses (children) or 6 doses (adults) per 24 hours. Adults and children 12 years and over: 2 TBSP (30 mL) every 4 hours. Children 6 to under 12 years: 1 TBSP (15 mL) every 4 hours. Children under 12 years: Ask a doctor. When using other DayQuil or NyQuil products, carefully read each label to insure correct dosing.

Alcohol warning: If you consume 3 or more alcoholic drinks every day, ask your doctor whether you should take acetaminophen or other pain relievers/fever reducers. Acetaminophen may cause liver damage. Sore throat warning: If sore throat is severe, persists for more than two days, is accompanied or followed by fever, headache, rash, nausea, or vomiting, consult a doctor promptly. Do not use: with other medicines containing acetaminophen; if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product. Ask a doctor before use if you have: heart disease, thyroid disease, diabetes, high blood pressure, trouble urinating due to enlarged prostate gland, cough that occurs with too much phlegm (mucus), persistent or chronic cough as occurs with smoking, asthma, or emphysema; a sodium-restricted diet. When using this product, do not use more than directed. Stop use and ask a doctor if: redness or swelling is present; you get nervous, dizzy or sleepless; symptoms get worse or last more than 5 days (children) or 7 days (adults); fever gets worse or lasts more than 3 days; redness or swelling is present; new symptoms occur; cough comes back, or occurs with rash or headache that lasts. These could be signs of a serious condition. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. Overdose warning: Taking more than the recommended dose can cause serious health problems. In case of overdose, get medical help or contact a Poison Control Center right away. Quick medical attention is critical for adults as well as for children even if you do not notice any signs or symptoms. Failure to follow these warnings could result in serious consequences.